Răspuns :
a+b =2.45
a =b/4
b/4+b =2.45 numitor 4
b+4b =9.8
5b =9.8
b =1.96
a =b/4
a =1.96/4 =0.49
v ; 0.49+1.96 =2.45
a =b/4
b/4+b =2.45 numitor 4
b+4b =9.8
5b =9.8
b =1.96
a =b/4
a =1.96/4 =0.49
v ; 0.49+1.96 =2.45